stackyFACTS
Transport

A bored teenager can stop every go-kart at once

HERE’S THE INTERESTING PART

Think you're a speed demon out on the track? Think again. The teenager running the ride holds a remote control that can electronically throttle or shut down every kart simultaneously if someone acts up. Your racing dreams are entirely at the mercy of a bored high schooler pressing a single plastic button.

A bored teenager can stop every go-kart at once
STACKY / Transport
One discovery leads to another.

Keep exploring facts in this topic.

Transport →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
Ferris wheel cars hang from a single pin
Transport

Ferris wheel cars hang from a single pin

That massive, slow-moving wheel of romance relies on a terrifyingly simple pivot. Each passenger gondola is suspended from the outer ring by a single, heavily…

Discover more
Contrails left behind by high-altitude jet airplanes are not chemical mind-control sprays, but simply artificial clouds created by hot engine exhaust instantly freezing in the frigid upper atmosphere.
Transport

Contrails left behind by high-altitude jet airplanes are not chemical mind-control sprays, but simply artificial clouds created by hot engine exhaust instantly freezing in the frigid upper atmosphere.

Contrails left behind by high-altitude jet airplanes are not chemical mind-control sprays, but simply artificial clouds created by hot engine exhaust…

Discover more
Where retired airliners go to wait in the desert
Transport

Where retired airliners go to wait in the desert

When a massive airliner retires, it flies to massive, heavily guarded desert boneyards in the American Southwest. The dry, arid air perfectly preserves the…

Discover more
When a vehicle crashes, the airbag does not inflate using a compressed air tank. How does it deploy so fast?
Transport

When a vehicle crashes, the airbag does not inflate using a compressed air tank. How does it deploy so fast?

When a vehicle crashes, the airbag does not inflate using a compressed air tank. How does it deploy so fast?

Discover more
France required license plates before cars existed
Transport

France required license plates before cars existed

Bureaucratic tracking systems are older than the internal combustion engine. In 1893, French authorities mandated that all horse-drawn carriages operating in…

Discover more
Why were those jarring 'rumble strips' on the edges of highways originally invented in the 1950s?
Transport

Why were those jarring 'rumble strips' on the edges of highways originally invented in the 1950s?

Why were those jarring 'rumble strips' on the edges of highways originally invented in the 1950s?

Discover more
StackyMore discoveries in the app
Download on the App Store